Replacement window too small for opening?

A

acannydoitji

Registered User
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49
I'd really appreciate a view from an installer or someone who has experience of replacing windows. There is a gap of 1.5 -2.0 cm either side of the new upvc frame as viewed from the inside of the house. I think my window guy has measured wrong and subsequently has ordered the wrong size window. I know the gap can be filled with expanding foam etc but my concern relates to draughts and/or other issues with what I consider to be a faily large gap.

My window guy reckons its not a problem but can't provide an answer as to why the other windows are not as shy.

Do I have a problem???
 
Should'nt cause a problem as it will be geting plastered in, usually 5mm at narrowest point each side is what is allowed for fitting.
 
When measuring replacements, reveals may not be square and the frame could be slightly smaller to allow fitting. Up to 2cm is a big gap and can be as simple as 88cm being read as 86cm.

I wouldn't worry, once fixed in place, foamed up with new reveals and sealed in place you will have no bother.
 
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If its a replacement window, as your post suggests, then its unlikely new reveals are going to be installed. In short the window was measured incorrectly to suit your ope. They may propose adding a coupling section to fill the gap, this will be evident from both sides, and is not the correct solution. Demand a replacement window.

In the event that the window is going into a new build, then as already stated it wont be a problem.

Just for the record, I,ve spent over 20 years manufacturing, installing pvc,timber,aluminium windows doors and conserveratories.

sabre
 
Thanks for your replies. I nipped home at lunchtime and the installer has actually moved window to one side (resolving gap on that side) and foamed external gaps. He has built/is building a new reveal on the other side.

The jury is out on this 'solution' at the moment.
 

I totally agree with you sabre I think the OP should demand a new window.

uPVC windows are very cheap to produce and almost any fool can install them.

I find it hard to believe someone could get measurements wrong by 20mm.
 
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